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Arsenal's Spanish striker Lucas Perez (C) controls the ball during the EFL (English Football League) Cup fourth round match between Arsenal and Reading at The Emirates Stadium in London on October 25, 2016. / AFP / Justin TALLIS / RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. / (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)

Arsenal's Spanish striker Lucas Perez (C) controls the ball during the EFL (English Football League) Cup fourth round match between Arsenal and Reading at The Emirates Stadium in London on October 25, 2016. / AFP / Justin TALLIS / RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications.  /         (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)